install.texi (Configuration): Document --with-linker-hash-style.

install.texi (Configuration): Document --with-linker-hash-style.

2011-05-11  Satoru Takabayashi  <satorux@google.com>
	    Paul Pluzhnikov  <ppluzhnikov@google.com>

	* gcc/doc/install.texi (Configuration): Document
	--with-linker-hash-style.
	* gcc/gcc.c (init_spec): Handle LINKER_HASH_STYLE.
	* gcc/config.in: Add LINKER_HASH_STYLE.
	* gcc/configure.ac: Add --with-linker-hash-style.
	* gcc/configure: Regenerate.

Co-Authored-By: Paul Pluzhnikov <ppluzhnikov@google.com>
From-SVN: r173668